diff --git a/legacy/emotion/doc/Doxyfile.in b/legacy/emotion/doc/Doxyfile.in
index 33d7f3323f..97dfe776ef 100644
--- a/legacy/emotion/doc/Doxyfile.in
+++ b/legacy/emotion/doc/Doxyfile.in
@@ -92,7 +92,7 @@ PAPER_TYPE             = a4wide
 EXTRA_PACKAGES         = 
 LATEX_HEADER           = 
 PDF_HYPERLINKS         = YES
-USE_PDFLATEX           = NO
+USE_PDFLATEX           = YES
 LATEX_BATCHMODE        = NO
 GENERATE_RTF           = NO
 RTF_OUTPUT             = rtf